21714462 has 48 divisors (see below), whose sum is σ = 58660992. Its totient is φ = 5639760.

The previous prime is 21714443. The next prime is 21714479. The reversal of 21714462 is 26441712.

21714462 is a `hidden beast` number, since 217 + 1 + 446 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6448 + ... + 9219.

It is an arithmetic number, because the mean of its divisors is an integer number (1222104).

Almost surely, 2^21714462 is an apocalyptic number.

21714462 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21714462 is an abundant number, since it is smaller than the sum of its proper divisors (36946530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21714462 is a wasteful number, since it uses less digits than its factorization.

21714462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15693 (or 15690 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 21714462 is about 4659.8778953960. The cubic root of 21714462 is about 278.9863946809.

The spelling of 21714462 in words is "twenty-one million, seven hundred fourteen thousand, four hundred sixty-two".